seuros/capistrano-sidekiq — pull request #54 by Envek (2014-11-11 12:28:40+00:00)
Title: Test is Sidekiq actually running when starting with Capistrano 2

Testing PID file presence is not enough as sometimes Sidekiq may crash leaving PID file present with not actual PID in it. In that case `cap sidekiq:start` won't start it. This is a fix for such a situation.